80651816

素因数分解:

$2^3\times 7^1\times {\mathrm{1440211}}^1$

素因数の和:1440224

約数の個数: 16

約数和(自身を含む): 172825440

約数和(自身を除く): 92173624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1440211, 2880422, 5760844, 10081477, 11521688, 20162954, 40325908, 80651816]

約数ペア:

[(1, 80651816), (2, 40325908), (4, 20162954), (7, 11521688), (8, 10081477), (14, 5760844), (28, 2880422), (56, 1440211)]